Mechanical Engg. (GATE) 2006

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Multiple Choice

The solution of the differential equation
$\frac{dy}{dx}$+ 2xy = $e^{-x^2}$

  1. (1 + x) $e^{+x^2}$
  2. (1 + x) $e^{-x^2}$
  3. (1 - x) $e^{-x^2}$
  4. (1 - x) $e^{+x^2}$
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